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/* ========================================
Stay Fresh in AI β€” Presentation
Premium Dark Stripe Theme
======================================== */
/* ─── Google Fonts are loaded in HTML ─── */
/* ─── CSS Variables ─── */
:root {
--bg-primary: #0b0b0d;
--bg-secondary: #111116;
--bg-card: rgba(255, 255, 255, 0.04);
--bg-card-hover: rgba(255, 255, 255, 0.07);
--text-primary: #ffffff;
--text-secondary: rgba(255, 255, 255, 0.72);
--text-muted: rgba(255, 255, 255, 0.42);
--accent-primary: #6366f1;
--accent-secondary: #8b5cf6;
--accent-tertiary: #ec4899;
--accent-success: #22c55e;
--accent-warning: #f59e0b;
--accent-danger: #ef4444;
--gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #ec4899 100%);
--gradient-subtle: linear-gradient(135deg, rgba(99, 102, 241, 0.12) 0%, rgba(139, 92, 246, 0.12) 100%);
--border-color: rgba(255, 255, 255, 0.08);
--glass-bg: rgba(255, 255, 255, 0.05);
--glass-border: rgba(255, 255, 255, 0.10);
--shadow-lg: 0 25px 50px -12px rgba(0, 0, 0, 0.6);
--shadow-glow: 0 0 40px rgba(99, 102, 241, 0.25);
--transition-fast: 0.18s ease;
--transition-smooth: 0.38s cubic-bezier(0.4, 0, 0.2, 1);
--transition-bounce: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}
/* ─── Reset ─── */
*, *::before, *::after {
box-sizing: border-box;
margin: 0;
padding: 0;
}
html {
font-size: 16px;
scroll-behavior: smooth;
}
body {
font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
background-color: var(--bg-primary);
color: var(--text-primary);
line-height: 1.6;
overflow: hidden;
min-height: 100vh;
}
/* ─── Presentation Container ─── */
.presentation-container {
width: 100vw;
height: 100vh;
position: relative;
background-color: #0b0b0d;
background-image:
repeating-linear-gradient(45deg, #0b0b0d, #0b0b0d 6px, #131317 6px, #131317 7px),
radial-gradient(ellipse at 15% 0%, rgba(99, 102, 241, 0.06) 0%, transparent 55%),
radial-gradient(ellipse at 85% 100%, rgba(139, 92, 246, 0.05) 0%, transparent 55%);
}
/* ─── Progress Bar ─── */
.progress-bar {
position: fixed;
top: 0;
left: 0;
width: 100%;
height: 2px;
background: rgba(255, 255, 255, 0.06);
z-index: 1000;
}
.progress-fill {
height: 100%;
background: var(--gradient-primary);
width: 10%;
transition: width var(--transition-smooth);
box-shadow: 0 0 8px rgba(99, 102, 241, 0.5);
}
/* ─── Slide Counter ─── */
.slide-counter {
position: fixed;
top: 20px;
right: 30px;
font-size: 0.85rem;
color: var(--text-muted);
font-family: 'JetBrains Mono', monospace;
font-weight: 500;
z-index: 1000;
letter-spacing: 0.05em;
}
#currentSlide {
color: var(--text-primary);
font-weight: 700;
}
/* ─── Navigation Controls ─── */
.nav-controls {
position: fixed;
bottom: 30px;
left: 50%;
transform: translateX(-50%);
display: flex;
gap: 15px;
z-index: 1000;
}
.nav-btn {
width: 48px;
height: 48px;
border-radius: 50%;
border: 1px solid var(--glass-border);
background: var(--glass-bg);
backdrop-filter: blur(12px);
color: var(--text-primary);
cursor: pointer;
display: flex;
align-items: center;
justify-content: center;
transition: all var(--transition-smooth);
}
.nav-btn:hover {
background: var(--accent-primary);
border-color: var(--accent-primary);
transform: scale(1.1);
box-shadow: var(--shadow-glow);
}
.nav-btn:active {
transform: scale(0.95);
}
.nav-btn svg {
width: 20px;
height: 20px;
}
/* ─── Keyboard Hints ─── */
.keyboard-hints {
position: fixed;
bottom: 30px;
right: 30px;
font-size: 0.72rem;
color: var(--text-muted);
font-family: 'JetBrains Mono', monospace;
z-index: 1000;
letter-spacing: 0.06em;
}
/* ─── Slides Wrapper ─── */
.slides-wrapper {
width: 100%;
height: 100%;
position: relative;
}
/* ─── Individual Slide ─── */
.slide {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
display: flex;
align-items: center;
justify-content: center;
padding: 70px 90px;
opacity: 0;
visibility: hidden;
transform: translateX(40px);
transition: all var(--transition-smooth);
overflow-y: auto;
}
.slide.active {
opacity: 1;
visibility: visible;
transform: translateX(0);
}
.slide.prev {
transform: translateX(-40px);
}
/* ─── Slide Content ─── */
.slide-content {
max-width: 1200px;
width: 100%;
animation: slideIn 0.55s ease forwards;
}
@keyframes slideIn {
from { opacity: 0; transform: translateY(18px); }
to { opacity: 1; transform: translateY(0); }
}
/* ─── Typography ─── */
.gradient-text {
background: var(--gradient-primary);
-webkit-background-clip: text;
-webkit-text-fill-color: transparent;
background-clip: text;
}
/* Dual-serif font classes */
.serif-title {
font-family: 'Playfair Display', Georgia, 'Times New Roman', serif;
font-weight: 400;
letter-spacing: -0.01em;
}
.serif-italic {
font-family: 'Playfair Display', Georgia, 'Times New Roman', serif;
font-style: italic;
font-weight: 400;
}
/* Monospace badge labels */
.tagline-badge {
font-family: 'JetBrains Mono', monospace;
font-size: 0.78rem;
font-weight: 500;
letter-spacing: 0.22em;
color: var(--accent-primary);
text-transform: uppercase;
display: inline-block;
margin-bottom: 1rem;
}
/* Purple divider line */
.sub-line {
width: 100px;
height: 2px;
background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
margin: 1.2rem 0;
border-radius: 2px;
}
/* ─── Main Title ─── */
.main-title {
font-family: 'Playfair Display', Georgia, serif;
font-size: clamp(2.8rem, 6vw, 5rem);
font-weight: 400;
line-height: 1.12;
margin-bottom: 0.5rem;
letter-spacing: -0.02em;
}
/* ─── Slide Titles ─── */
.slide-title {
font-size: clamp(1.75rem, 3.5vw, 2.5rem);
font-weight: 700;
margin-bottom: 0.4rem;
letter-spacing: -0.01em;
}
.slide-subtitle {
font-size: clamp(0.9rem, 1.2vw, 1.05rem);
color: var(--text-muted);
margin-bottom: 1.5rem;
}
/* ─── Tagline Slide Layout ─── */
.tagline-slide-content {
display: flex;
flex-direction: column;
align-items: center;
justify-content: center;
text-align: center;
max-width: 920px;
margin: 0 auto;
}
.tagline-title {
font-family: 'Playfair Display', Georgia, serif;
font-size: clamp(2.2rem, 4.8vw, 3.5rem);
line-height: 1.38;
color: #ffffff;
font-weight: 400;
margin-bottom: 1.5rem;
}
/* ─── Footer (Title Slide) ─── */
.footer-date {
font-family: 'JetBrains Mono', monospace;
font-size: 0.9rem;
font-weight: 500;
color: rgba(255, 255, 255, 0.8);
letter-spacing: 0.06em;
}
.footer-link {
font-family: 'Inter', sans-serif;
font-size: 0.78rem;
color: rgba(255, 255, 255, 0.25);
letter-spacing: 0.06em;
text-decoration: none;
transition: color var(--transition-fast);
}
.footer-link:hover {
color: var(--accent-primary);
}
/* ─── Title Slide ─── */
.title-slide {
text-align: center;
display: flex;
flex-direction: column;
align-items: center;
}
.tagline {
font-size: 1.2rem;
color: var(--text-secondary);
margin-bottom: 2rem;
letter-spacing: 0.02em;
}
/* ─── Logo Row (Title Slide icons) ─── */
.logo-row {
display: flex;
justify-content: center;
gap: 18px;
flex-wrap: wrap;
margin: 1rem 0 2.5rem;
}
.logo-icon {
width: 34px;
height: 34px;
object-fit: contain;
transition: all var(--transition-smooth);
}
.logo-wrapper {
display: inline-flex;
align-items: center;
justify-content: center;
padding: 8px;
border-radius: 10px;
background: transparent;
transition: all var(--transition-smooth);
}
.logo-wrapper.light-bg {
background: rgba(255, 255, 255, 0.92);
border-radius: 8px;
}
.logo-wrapper:hover {
transform: scale(1.15) translateY(-3px);
}
.logo-wrapper:hover .logo-icon {
filter: drop-shadow(0 0 8px rgba(99, 102, 241, 0.5));
}
/* ─── Agenda Slide ─── */
.agenda-list {
display: flex;
flex-direction: column;
gap: 14px;
max-width: 750px;
}
.agenda-item {
display: flex;
align-items: center;
gap: 22px;
padding: 16px 24px;
background: var(--bg-card);
border: 1px solid var(--border-color);
border-radius: 12px;
transition: all var(--transition-smooth);
animation: fadeInUp 0.5s ease forwards;
animation-delay: var(--delay);
opacity: 0;
}
@keyframes fadeInUp {
from { opacity: 0; transform: translateY(18px); }
to { opacity: 1; transform: translateY(0); }
}
.agenda-item:hover {
background: var(--bg-card-hover);
border-color: var(--accent-primary);
transform: translateX(8px);
}
.agenda-number {
font-family: 'JetBrains Mono', monospace;
font-size: 1.2rem;
font-weight: 700;
background: var(--gradient-primary);
-webkit-background-clip: text;
-webkit-text-fill-color: transparent;
background-clip: text;
min-width: 38px;
}
.agenda-text {
font-size: 1.02rem;
color: var(--text-secondary);
font-weight: 400;
}
/* ─── LLM Cards (Slide 4) ─── */
.llm-platforms-grid {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
gap: 22px;
margin-bottom: 1.5rem;
}
.llm-card {
padding: 22px;
background: var(--bg-card);
border: 1.5px solid var(--border-color);
border-radius: 16px;
transition: all var(--transition-smooth);
}
.llm-card:hover {
border-color: var(--accent-primary);
transform: translateY(-3px);
box-shadow: var(--shadow-glow);
}
.llm-header {
display: flex;
align-items: center;
gap: 12px;
margin-bottom: 12px;
}
.llm-icon {
width: 30px;
height: 30px;
object-fit: contain;
}
.llm-header h3 {
font-size: 1rem;
font-weight: 600;
}
.llm-card > p {
font-size: 0.9rem;
color: var(--text-muted);
line-height: 1.5;
}
/* ─── Logo Wrapper Small ─── */
.logo-wrapper-small {
display: inline-flex;
align-items: center;
justify-content: center;
width: 28px;
height: 28px;
border-radius: 6px;
background: transparent;
flex-shrink: 0;
}
.logo-wrapper-small.light-bg {
background: rgba(255, 255, 255, 0.92);
}
/* ─── Closing Slide ─── */
.closing-slide {
text-align: center;
}
.closing-card {
padding: 24px;
background: var(--bg-card);
border: 1px solid var(--border-color);
border-radius: 16px;
}
.closing-icon {
font-size: 2rem;
margin-bottom: 12px;
display: block;
}
.closing-card h3 {
font-size: 1.05rem;
font-weight: 600;
margin-bottom: 8px;
}
.closing-card p {
font-size: 0.88rem;
color: var(--text-muted);
}
.contact-section {
margin-top: 2rem;
}
.questions-text {
font-size: 1.1rem;
color: var(--accent-primary);
}
/* ─── Responsive ─── */
@media (max-width: 768px) {
.slide {
padding: 80px 24px 100px;
}
.keyboard-hints {
display: none;
}
.slide-counter {
right: 20px;
}
.logo-row {
gap: 12px;
}
.logo-icon {
width: 26px;
height: 26px;
}
.agenda-list {
gap: 10px;
}
.agenda-item {
padding: 12px 16px;
}
.llm-platforms-grid {
grid-template-columns: 1fr;
}
}
/* ─── Reduce Motion ─── */
@media (prefers-reduced-motion: reduce) {
*, *::before, *::after {
animation-duration: 0.01ms !important;
animation-iteration-count: 1 !important;
transition-duration: 0.01ms !important;
}
}